#include<iostream>
const int N = 1010;
int f[N][N];
using namespace std;
int main()
{
	int n, m;cin >> n >> m;
	int x1, x2, y1, y2;
	for (int i = 1; i <= m; i++)
	{
		cin >> x1 >> y1 >> x2 >> y2;
		f[x1][y1] ++;
		f[x1][y2 + 1]--;
		f[x2 + 1][y1]--;
		f[x2 + 1][y2 + 1]++;
	}
	for (int i = 1; i <= n; i++)
	{
		for (int j = 1; j <= n; j++)
		{
			f[i][j] += f[i - 1][j] + f[i][j - 1] - f[i - 1][j - 1];
			cout << f[i][j] << ' ';
		}
		cout << endl;
	}
	return 0;
}